Neil’s Most Important Explainer Ever

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[468s] Well, then it's, it's got to be white. If it—
[812s] Speed of light. Speed of light. It's all light.

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Neil deGrasse Tyson

Neil deGrasse Tysonastrofísico, escritor y divulgador científico estadounidense ✔

Chuck Nice

Chuck NiceComediante estadounidense ✔

Hablante 3

otros

Transcripción sincronizada

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[0s]Neil deGrasse Tyson Chuck, I probably got one of the most important explainers I'll ever deliver.

[6s]Chuck Nice May I? We've had a lot of explainers. I am thoroughly intrigued.

[11s]Neil deGrasse Tyson All right, so coming into the 19th century.

[14s]Neil deGrasse Tyson The 1800s.

[16s]Neil deGrasse Tyson We're discovering the laws of physics. 🟡 Engañoso o sin contexto N/A (no es afirmación comparativa en el tiempo) 2 fuentes

[19s]Neil deGrasse Tyson And we know that light exists.

[26s]Neil deGrasse Tyson And you can put it through a prism and you get colors. 🟢 Verificado 4 fuentes

[31s]Neil deGrasse Tyson Then we realized, well, if it's light and it's moving through space, are there any other properties of this light that we can measure? Because no science achieves maturity without a system of measurement. Opinión

[46s]Neil deGrasse Tyson That's not me, that's Logan Klendenning. 🔍 El sistema lo ha mirado y no se ha decidido 5 fuentes

[49s]Neil deGrasse Tyson By the way, this is one of the forces that prevented psychology from maturing. Opinión

[56s]Chuck Nice Into an actual science science?

[59s]Neil deGrasse Tyson Out of its original state. because how do you measure someone's thoughts?

[64s]Chuck Nice Or even a brain, 'cause every brain is different.

[66s]Neil deGrasse Tyson Freud tried, and he has, you know, the interpretation of dreams. But if you can't measure it, it just makes it really hard to systematize what you're talking about. And physics— 🟢 Verificado 6 fuentes

[77s]Chuck Nice I think you say that because you have a problem with your mother. Tell me how you feel about your parents.

[83s]Neil deGrasse Tyson So what else can we measure about light? It's how bright it is. We can measure its color. But wait a minute, we learn that light is also made of particles, and we gave a name to those particles, we call them photons. And depending on how you measure the light, it can manifest as a particle or as a wave. It's the same thing. Our brain just can't handle the truth that it is simultaneously a particle and a wave. Opinión

[111s]Neil deGrasse Tyson Back in the day, we tried to embrace the word wavicle.

[116s]Chuck Nice I'm just gonna come out and say no to that.

[119s]Neil deGrasse Tyson Apparently so did Yeah. So if it has a wavelength, what happens if I change the wavelength? The light changes color. 🟢 Verificado 3 fuentes

[132s]Neil deGrasse Tyson Okay, so color and wavelength go together.

[135s]Chuck Nice Mm-hmm. I don't see color, so I don't see wavelength either.

[139s]Neil deGrasse Tyson It's all just one wave.

[140s]Chuck Nice It's just one wave to me. I look at it and I'm just like, what a beautiful wave.

[144s]Neil deGrasse Tyson Put a pin in that.

[145s]Chuck Nice All right.

[145s]Neil deGrasse Tyson And so now let's talk about something else and we'll bring it all together. When we tried to harness electricity, a lot of early work was done by you know who.

[153s]Chuck Nice Don't say Ben Franklin.

[156s]Neil deGrasse Tyson Yeah, he published a book called Experimental Researches into Electricity. 🔴 Falso 5 fuentes

[162s]Neil deGrasse Tyson I love you, Ben Franklin! It was read all throughout Europe. We think of him as just a founding father. My boy— 🟡 Engañoso o sin contexto N/A — no hay comparación temporal en el claim 4 fuentes

[169s]Chuck Nice He was a gentleman scientist, people.

[170s]Neil deGrasse Tyson He was a frontier scientist.

[173s]Chuck Nice Yes, love him.

[173s]Neil deGrasse Tyson So we got this electricity. What is it? How does it work? We wouldn't discover the electron for 80 more years. 🔴 Falso Publicación clave de Franklin: 1751 (IEEE/Royal Society). Descubrimiento del electrón: J.J. Thomson, 30 abril 1897 (Nobel Prize org, Britannica). Diferencia real: ~146 años desde la publicación, ~107 años desde la muerte de Franklin (1790). 4 fuentes

[180s]Neil deGrasse Tyson So what carries it, what causes it, what's it about? Then we found magnetism. This is what started Albert Einstein on his quest to learn physics, intrigued that a magnet can influence an object at a distance. 🟡 Engañoso o sin contexto N/A — no se compara en el tiempo 4 fuentes

[196s]Neil deGrasse Tyson Without actually touching it.

[197s]Chuck Nice Right, something must be there.

[198s]Neil deGrasse Tyson Something, what's there, how, where, and why? Why am I so attracted to you, girl? And Michael Faraday, mid-19th century physicist, He didn't know much math, but he was highly insightful. 🟡 Engañoso o sin contexto N/A — no hay comparación temporal en el claim 7 fuentes

[211s]Neil deGrasse Tyson Yeah, there was none—

[212s]Chuck Nice I didn't know that about him.

[213s]Neil deGrasse Tyson There's no equations in any of his writings. Hardly any. 🟡 Engañoso o sin contexto N/A — no es una afirmación comparativa en el tiempo 6 fuentes

[221s]Neil deGrasse Tyson But he had a very deep intuitive sense of what was going on. We credit the invention of the idea of a field to him. 🟢 Verificado 5 fuentes

[232s]Neil deGrasse Tyson Magnetic field. 🟢 Verificado N/A — no comparación temporal 5 fuentes

[233s]Chuck Nice Magnetic field, yeah.

[234s]Neil deGrasse Tyson And then he saw that you can have an electric field.

[238s]Neil deGrasse Tyson And when you do something with one, it affects the other. If I take a wire, pass it through a magnetic field, current shows up in the wire. Electrons move through the wire. He had to figure out how to measure that. Okay, that would be today what we call an ammeter. How many amps are coming through the wire. You take the wire, put it through the magnet, the ammeter does this. 🟡 Engañoso o sin contexto 6 fuentes

[263s]Neil deGrasse Tyson So I used a magnetic field to create electricity. Wait a minute. Electricity, magnetism. These were 2 separate forces until we said, wait a minute, if one can make the other and vice versa, maybe they're 2 sides of the same coin. 🟢 Verificado Historia de la física, siglos XIX-XX. Fuentes: Britannica, Wikipedia, IOP, Revista Mètode, Lumen Learning, arxiv. 6 fuentes

[281s]Neil deGrasse Tyson And that coin we will call the electromagnetic coin.

[285s]Chuck Nice You got magnetism in my electricity. You got electricity in my magnetism.

[293s]Neil deGrasse Tyson They go really— They're the Reese's Peanut Butter Cup of science!

[297s]Chuck Nice Of physics!

[298s]Neil deGrasse Tyson So they go really well together.

[301s]Neil deGrasse Tyson And so we staple together those 2 prefixes, and we have electromagnetism.

[307s]Neil deGrasse Tyson Then it turns out it's electromagnetism that's responsible for creating light. And different wavelengths of light make different kinds of light. You now went from electricity and magnetism to electromagnetism to the electromagnetic spectrum. 🟢 Verificado No aplica. La afirmación no compara en el tiempo; describe física establecida. 5 fuentes

[334s]Neil deGrasse Tyson A triumph of 19th century physics. Opinión

[338s]Chuck Nice It is.

[339s]Neil deGrasse Tyson The electromagnetic spectrum. And so no longer is it just light is what your retina detects.

[346s]Neil deGrasse Tyson That's a range of wavelengths that tickle the cones in our eye to sense color. It's how we distinguish those wavelengths. 🟢 Verificado 3 fuentes

[357s]Neil deGrasse Tyson That's how our body can know what is a red object and what is blue and what is green and everything in between.

[362s]Chuck Nice Except for me, 'cause I don't see color. 🔍 El sistema lo ha mirado y no se ha decidido 2 fuentes

[365s]Neil deGrasse Tyson So I got a cool fact to just sort of shoehorn in the middle of all this. When you look at an apple, let's say it's a red apple, you say, that apple is red.

[376s]Chuck Nice That's how we— That's how we experience it.

[378s]Neil deGrasse Tyson That's how we roll, okay?

[380s]Chuck Nice Red apple.

[380s]Neil deGrasse Tyson Well, it's only red because white light hit it. 🟡 Engañoso o sin contexto 5 fuentes

[387s]Neil deGrasse Tyson And white light has which colors in it?

[388s]Chuck Nice All the colors.

[391s]Neil deGrasse Tyson ROYGBIV?

[393s]Neil deGrasse Tyson It has all those colors in it. 🟢 Verificado N/A — afirmación de física óptica, sin componente temporal comparativa 4 fuentes

[395s]Chuck Nice All the colors.

[395s]Neil deGrasse Tyson But to you it's red.

[397s]Neil deGrasse Tyson So how—

[398s]Chuck Nice How am I seeing red?

[399s]Neil deGrasse Tyson How are you seeing red?

[400s]Chuck Nice When white light is hitting all the colors.

[403s]Neil deGrasse Tyson The apple is absorbing orange, yellow, green, blue, indigo, violet, and reflecting red back to you. Red is the only color that it isn't. It is bouncing that back to you. 🟡 Engañoso o sin contexto 3 fuentes

[421s]Neil deGrasse Tyson We say the apple is red, but it absorbed all the other colors. So it's our language references our own reference frame. We say it is red. when that is the only color that it rejected. 🟢 Verificado No aplica. La afirmación describe un principio físico atemporal de absorción y reflexión selectiva de luz visible. 3 fuentes

[434s]Chuck Nice That it rejected. Don't believe your eyes, ever. Don't believe your brain, don't believe your eyes.

[439s]Neil deGrasse Tyson It's true for anything that has color. 🟡 Engañoso o sin contexto 4 fuentes

[442s]Neil deGrasse Tyson Right, and if the object is white, it reflects all of ROYGBIV back to you. 🟢 Verificado No aplica. Afirmación de física óptica, principio establecido sin componente temporal comparativo. 4 fuentes

[446s]Chuck Nice That's because white light is a colonizing light. It takes all the colors. Like, y'all all belong to me now. I don't know what you talking about. Think you gonna— I'm not rejecting anything. You're all mine. Y'all gonna work for me.

[461s]Neil deGrasse Tyson What happens if the object absorbs all colors?

[468s]Chuck Nice Well, then it's, it's got to be white. If it— atribución incierta 🔴 Falso 3 fuentes

[478s]Chuck Nice What's up, my brother?

[482s]Neil deGrasse Tyson Yo, it's good to see you,

[484s]Chuck Nice man. If it absorbs all the colors, then nothing comes back, and it is black. 🟡 Engañoso o sin contexto N/A — afirmación física atemporal 6 fuentes

[490s]Chuck Nice So you can't be Black without being white.

[495s]Neil deGrasse Tyson That's not what I said.

[496s]Chuck Nice Basically, no matter what, we are, uh, we are all white. I hate to say it, but it's true. That is not what I said. No matter what, Martin Luther King had it wrong. Opinión

[511s]Neil deGrasse Tyson He had a dream, but it was the wrong dream. Opinión

[514s]Chuck Nice And I have a dream.

[523s]Neil deGrasse Tyson William Herschel.

[533s]Neil deGrasse Tyson He asked the question. He had Newton's spectrum on the table through light coming through the curtain, and he wanted to know what are the different temperatures of each color. So he took his thermometer, Put it in the spectrum, you need a control thermometer, put that to the side. The one that is not touched by any of these colors. So he put one right to the side of the red, nothing's touching that, and he checks the temperature. The red, orange, yellow, green, blue, violet. And in every case, the thermometer that read the highest temperature was the control thermometer. 🟡 Engañoso o sin contexto N/A — afirmación histórica sobre experimento de 1800 5 fuentes

[563s]Chuck Nice Sounds— that's odd.

[567s]Neil deGrasse Tyson So then he took the control thermometer and put it somewhere else, It didn't do it. Only if it sat next to the red. 🟡 Engañoso o sin contexto N/A — no hay comparación temporal en el claim 5 fuentes

[574s]Neil deGrasse Tyson And then he publishes a paper. I have a copy of this paper, and it's like I hear angels every time I open it.

[583s]Neil deGrasse Tyson It is The Discovery of Light Unfit for Vision. 🟡 Engañoso o sin contexto N/A — no comparación temporal 5 fuentes

[587s]Neil deGrasse Tyson That's what he called it.

[589s]Chuck Nice This light is too good for your eyes.

[590s]Neil deGrasse Tyson So that was the discovery of—

[592s]Chuck Nice That would be infrared. 🟢 Verificado 5 fuentes

[593s]Neil deGrasse Tyson It's below red, infrared. Below red.

[595s]Chuck Nice Yes, below red.

[596s]Neil deGrasse Tyson So then we're off to the races.

[599s]Neil deGrasse Tyson What else is there?

[600s]Neil deGrasse Tyson It would take, we would discover other bands of light at very different times, 'cause you need special detectors for it. The thermometer is a detector of infrared. But is your thermometer a detector of microwaves?

[613s]Chuck Nice Not so much.

[613s]Neil deGrasse Tyson Not really, no. No. Is your thermometer a detector of ultraviolet, X-rays, gamma rays? Not so much, all right? So the detector has to be able to absorb the light and somehow record what that is that it had just absorbed. Thermometers absorb infrared, there it was. So going forward from there, that was the 1700s into the 1800s and into the 1900s, into the 2000s, we are appending windows of the electromagnetic spectrum to what we only ever once knew as visible light. 🟢 Verificado Serie histórica de descubrimientos del espectro electromagnético: infrarrojo (Herschel, 1800), UV (Ritter, 1801), radio (Hertz, 1887-1888), X (Röntgen, 1895), gamma (Villard, 1900). Fuentes: Wikipedia Timeline of electromagnetism; Spectroscopy Online; EBSCO Research Starters; ESA; Caltech IPAC. 7 fuentes

[650s]Chuck Nice Really fascinating.

[652s]Neil deGrasse Tyson So the visible light, let's go in the red side. So beyond red we had infrared.

[657s]Neil deGrasse Tyson A sensible name, infrared. Beyond infrared, physicists got in there first and they just called it all radio waves. These are bigger wavelengths than visible light. In fact, they're so big you can like draw it on a page. 🟡 Engañoso o sin contexto N/A — afirmación de hecho físico e histórico, sin comparación temporal 6 fuentes

[674s]Neil deGrasse Tyson So the smaller radio waves are between like a millimeter and a few centimeters. You can draw that. 🟢 Verificado N/A — afirmación física atemporal sobre propiedades del espectro electromagnético 4 fuentes

[682s]Neil deGrasse Tyson Okay, so for the metrically challenged out there, fraction of an inch to about an inch.

[688s]Chuck Nice Mm-hmm.

[689s]Neil deGrasse Tyson Those are the small radio waves.

[691s]Neil deGrasse Tyson Then the bigger radio waves are the size of like a meter. 🟡 Engañoso o sin contexto N/A — no hay comparación temporal en la afirmación 4 fuentes

[696s]Neil deGrasse Tyson Okay, they're feet long. The original TVs that had rabbit ear antennas received long wavelength radio waves that were the same length as your antenna, which is why it could grab it out of the air and grow the reception. Grab it out of the air. If you want it for these radio waves, if you want to detect them, you need a receiver, you need an antenna about the same size as the radio wave. 🟡 Engañoso o sin contexto N/A — afirmación de principio físico atemporal 4 fuentes

[726s]Chuck Nice That's really cool.

[727s]Neil deGrasse Tyson It is really cool.

[728s]Chuck Nice That's really cool. And that's why they had to be telescopic. Telescopic.

[733s]Neil deGrasse Tyson And depending on what your frequency was is how that would work.

[736s]Chuck Nice Now, and that's why sometimes if you're old enough, like if you're a kid of the '70s when they still had these and your family didn't have like the newer television, your dad would make you stand there and hold it.

[748s]Neil deGrasse Tyson And you'd be part of the antenna setup.

[750s]Chuck Nice You'd be part of the antenna. He's like, I don't know what you're doing, boy, but you keep right there until this game is over. When this game is over, you can leave.

[756s]Neil deGrasse Tyson Later we would learn is that the shorter radio wavelengths were excellent for communication. because you can pack more information the smaller the wavelength is. As you got to shorter and shorter radio waves, we came up with a new word for them, microwaves. 🟡 Engañoso o sin contexto N/A — no hay comparación temporal en el claim 5 fuentes

[771s]Chuck Nice Oh, there you go.

[772s]Neil deGrasse Tyson Micro, we think of micro as really small, they're just small radio waves.

[775s]Chuck Nice Right, they're just smaller than the radio waves.

[776s]Neil deGrasse Tyson Right, and so that became a whole band of light that earned its own title, microwaves. We would later learn, by accident, in the 20th century, that microwaves and the water molecule, they got a thing going. 🟢 Verificado N/A — la afirmación no compara en el tiempo; sitúa el evento en 'the 20th century' (siglo XX). El descubrimiento documentado data de 1945, dentro del siglo XX. 5 fuentes

[793s]Neil deGrasse Tyson Water molecule loves absorbing microwaves. 🟢 Verificado N/A — afirmación de principio físico establecido, sin comparación temporal 6 fuentes

[796s]Chuck Nice Give it to me.

[797s]Neil deGrasse Tyson Okay, and certain frequencies more than others. Oh, I just used the word frequency. If you have a wavelength, which I've been describing as meters long, centimeters, much, much smaller in the visible part, how fast is all this moving? 🟢 Verificado N/A — afirmación de física fundamental sin componente temporal comparativa 5 fuentes

[812s]Hablante 3 Speed of light. Speed of light. It's all light. atribución incierta 🟢 Verificado 3 fuentes

[815s]Neil deGrasse Tyson It's all radio waves, microwaves, infrared, it's all light. So we get the speed of light. So watch, I have a wavelength this big going by me at the speed of light. And I have a clock. I would say, how many crests go by per second? 🟢 Verificado N/A — afirmación de física fundamental, no comparación temporal 5 fuentes

[830s]Neil deGrasse Tyson That's the frequency of the light. 🟢 Verificado 3 fuentes

[832s]Chuck Nice Right, 'cause it's still gonna be the speed of light, but you're gonna get more crests and troughs depending on the higher frequency.

[840s]Chuck Nice That's very cool.

[841s]Neil deGrasse Tyson So the shorter the wavelength, the higher the frequency. So the wavelength and the frequency go in opposite, Inverse relationship. Precisely inverse relation. 🟢 Verificado N/A — afirmación de principio físico atemporal, no comparación temporal. 3 fuentes

[849s]Chuck Nice Very cool.

[849s]Neil deGrasse Tyson Okay, as one goes up by a factor of 2, the other drops by a factor of 2. 🟢 Verificado N/A — afirmación física atemporal; la relación c = fλ es una constante física fundamental sin variación temporal. 4 fuentes

[853s]Chuck Nice Cool.

[853s]Neil deGrasse Tyson Because they're multiplied by each other to give you the speed of light. 🟢 Verificado N/A — afirmación de física fundamental, no comparación temporal. 4 fuentes

[863s]Neil deGrasse Tyson Oh, that is dope!

[864s]Neil deGrasse Tyson Speed of light equals frequency times wavelength, and it's going to always— if one dropped, the other goes up.

[871s]Chuck Nice So they're always in perfect balance to bring you the speed of light. Oh man, that's really cool.

[876s]Neil deGrasse Tyson Okay, so now We learned that microwaves are absorbed by water. Water is a major food additive. 🟡 Engañoso o sin contexto N/A — no es afirmación comparativa en el tiempo 4 fuentes

[885s]Chuck Nice Of course.

[885s]Neil deGrasse Tyson When you think about it, I don't know that there's much of anything you eat that doesn't have water in it. At some level, other food molecules will absorb microwaves, but water does it best. And I'm told, I didn't verify this, but it's kind of fun, they were working with microwaves in a lab, was it at MIT somewhere? and somebody walked in front of a microwave beam and he checked his pocket and the chocolate bar was melted. 🟡 Engañoso o sin contexto N/A — no comparación temporal 7 fuentes

[909s]Chuck Nice Oh, really?

[910s]Neil deGrasse Tyson And he said, how'd that happen? Then they did experiments.

[912s]Chuck Nice And they were like—

[913s]Neil deGrasse Tyson Absorbed it very efficiently. Now, you don't wanna really be in the beam of microwaves.

[919s]Neil deGrasse Tyson Because it'll get in your skin.

[920s]Chuck Nice You got a lot of water in your body. 🟢 Verificado N/A — afirmación fisiológica sin componente temporal comparativo 3 fuentes

[922s]Neil deGrasse Tyson In your body, okay? It'll start heating you up, okay? You wanna look in the vitreous humor of your eye. 🟢 Verificado 5 fuentes

[928s]Chuck Nice Oh my God, I can't even imagine.

[930s]Neil deGrasse Tyson And by the way, microwaves pass through glass. Glass don't absorb microwaves. 🟡 Engañoso o sin contexto N/A — afirmación sin dimensión temporal comparativa 5 fuentes

[935s]Neil deGrasse Tyson So how else do we have microwave ovens with glass doors? Well, because they're not—

[943s]Chuck Nice they're a science oven, that's why. They cook with science.

[947s]Neil deGrasse Tyson Okay, so the glass door of the microwave oven isn't just glass door. 🟢 Verificado 5 fuentes

[952s]Chuck Nice No, right.

[952s]Neil deGrasse Tyson There is a screen there with holes. And those holes, it's a metal screen. And those holes are each smaller than the wavelength of the microwave that's cooking the food. 🟢 Verificado 5 fuentes

[965s]Chuck Nice So they block the microwaves from coming out of the— passing through the glass. 🟢 Verificado 4 fuentes

[969s]Neil deGrasse Tyson Yet you can still see through it. 🟢 Verificado N/A — afirmación de física aplicada, no comparación temporal 4 fuentes

[970s]Chuck Nice But you can still see through it.

[971s]Chuck Nice I don't know who thought of that, but that was a brilliant— thank you, sir, whoever, or ma'am, whoever you were.

[976s]Neil deGrasse Tyson It's called science.

[979s]Chuck Nice That is really cool.

[980s]Neil deGrasse Tyson Yes, so people who are afraid of microwave leakage, not through the door, it's not.

[985s]Chuck Nice I'm sterile, I think it was my microwave oven that was the leak.

[987s]Neil deGrasse Tyson who said, let's nuke it in the microwave. It's got nothing to do with nuclear forces. It's microwave light and the water molecule. 🟢 Verificado 6 fuentes

[996s]Neil deGrasse Tyson Pure and simple. And so the water molecule resonates with it. So it vibrates, and you vibrate them like this, and it's friction. Friction is ultimately what's heating the food. 🟡 Engañoso o sin contexto 5 fuentes

[1005s]Neil deGrasse Tyson Not like nukes.

[1006s]Chuck Nice Instead, you could just rub your chicken wings together very quickly.

[1010s]Neil deGrasse Tyson They would heat up.

[1011s]Chuck Nice And they would heat up.

[1012s]Neil deGrasse Tyson So each of these bands of light has different utilities. Different value to us in civilizations. Beyond violet, ultraviolet. Hostile to biology. They have those eyeglass sterilizers. You know, you put them in the thing, close the door, turn on the switch, bays them in ultraviolet light. 🟢 Verificado 5 fuentes

[1031s]Chuck Nice Yeah, they do that now with your utensils that they reuse, like in dentistry. Afirmación factual (no verificada)

[1036s]Neil deGrasse Tyson The energy of the ultraviolet light gets absorbed by molecules that then breaks apart the molecules of life. 🟡 Engañoso o sin contexto N/A — la afirmación no compara en el tiempo 5 fuentes

[1043s]Chuck Nice Nice, look at that.

[1044s]Neil deGrasse Tyson So it's hostile to life.

[1045s]Neil deGrasse Tyson Hostile to life. We keep going beyond ultraviolet, we get to X-rays. And then gamma rays. 🟢 Verificado 4 fuentes

[1052s]Neil deGrasse Tyson And that is the entire—

[1053s]Chuck Nice That's it, the spectrum, huh?

[1054s]Neil deGrasse Tyson Named electromagnetic spectrum. 🟢 Verificado N/A — no hay comparación temporal en la afirmación 4 fuentes

[1056s]Chuck Nice Is it possible that there could be something above gamma rays?

[1059s]Neil deGrasse Tyson Sure, but we would still probably just call them gamma rays. Opinión

[1061s]Neil deGrasse Tyson Yeah, it's gamma rays all the way down.

[1063s]Neil deGrasse Tyson Yeah, unless we have a really specific use for it that's really helpful, then we can divide it up and say let's call that something new.

[1070s]Chuck Nice If it does exist, we have nothing to do with it.

[1072s]Neil deGrasse Tyson The visible part of the spectrum.

[1077s]Neil deGrasse Tyson We are practically blind. 🟢 Verificado N/A — la afirmación no compara en el tiempo; describe una propiedad física estable del sistema visual humano. 5 fuentes

[1079s]Chuck Nice Yeah, man.

[1080s]Neil deGrasse Tyson On this spectrum. It would be like listening to Beethoven's Ninth Symphony in one octave getting played. Opinión

[1088s]Chuck Nice That's not very attractive.

[1089s]Chuck Nice That doesn't sound very good. I don't want to hear that on the radio.

[1093s]Neil deGrasse Tyson It would sound like a toy piano.

[1094s]Chuck Nice Right, a toy piano. Ding, ding, ding, ding, ding, ding, ding.

[1097s]Neil deGrasse Tyson So the richness of the electromagnetic spectrum delivered to us by objects and phenomena in the universe is modern astrophysics. 🟡 Engañoso o sin contexto N/A — no comparación temporal en el claim 4 fuentes

[1106s]Chuck Nice Which, by the way, when I first saw Star Trek: The Next Generation and I saw Geordi La Forge, I was like, now of course they're gonna mess up the Black man. He can't even see. He walking around.

[1118s]Neil deGrasse Tyson He walking around with a visor.

[1119s]Chuck Nice Visor, like, look like a grill of a Cadillac on his face. Like, how messed up is that? Until I found out that his visor could see an every part of the spectrum. 🟢 Verificado 3 fuentes

[1130s]Neil deGrasse Tyson Correct. My boy can see everything.

[1132s]Chuck Nice He can see everything.

[1134s]Neil deGrasse Tyson Now you wanna see it all at once, you wanna be able to tune it, otherwise it would just be—

[1137s]Chuck Nice It's noise at that point.

[1138s]Neil deGrasse Tyson 'Cause if you tuned to, for example, to microwaves, then everyone's cell phone would be lit up, all the cell phone towers would be lit up, you'd be talking to somebody— 🟢 Verificado 5 fuentes

[1146s]Chuck Nice You could see conversations in the air.

[1148s]Neil deGrasse Tyson Well, you'd have to be where it hits you.

[1151s]Chuck Nice Right, where it hits you.

[1151s]Neil deGrasse Tyson And you'd see conversations coming at you.

[1154s]Chuck Nice That'd be cool.

[1155s]Neil deGrasse Tyson No, actually, you know, you wouldn't see it coming at you.

[1158s]Neil deGrasse Tyson Because that means you'd be able to see it before the speed of light got it to you. 🟢 Verificado 3 fuentes

[1165s]Neil deGrasse Tyson That's right, you can only see it on the visor. On the visor.

[1168s]Chuck Nice Oh man, that's so cool.

[1170s]Neil deGrasse Tyson Yep.

[1172s]Chuck Nice Love it. There it is.

[1174s]Neil deGrasse Tyson That's wavelengths and photons, and all of these are photons, by the way. 🟢 Verificado 6 fuentes

[1179s]Neil deGrasse Tyson And depending how you measure it, a wave or a particle, that's the duality. 🟡 Engañoso o sin contexto N/A — afirmación de principio físico, no comparación temporal 5 fuentes

[1184s]Chuck Nice I can be whatever I want, Dad.

[1186s]Neil deGrasse Tyson Last point. Radio telescopes?

[1189s]Neil deGrasse Tyson If your wavelength is this big, the shape of your dish doesn't have to be all, you could have like segments. You could, 'cause the wave doesn't know anything smaller than it. 🟢 Verificado N/A — afirmación de principio físico atemporal 5 fuentes

[1202s]Neil deGrasse Tyson Oh, another one. Electrons.

[1204s]Neil deGrasse Tyson You can warm up electrons so that they have a wavelength equal to X-rays. Okay, wave-particle duality. Afirmación factual (no verificada)

[1215s]Neil deGrasse Tyson In fact, that's how X-rays are generated in X-ray machines. In the hospital. Okay, there's an electron source. Okay, no, wait, but that's not what— 🟡 Engañoso o sin contexto 4 fuentes

[1223s]Chuck Nice Go ahead. All right, go ahead.

[1225s]Neil deGrasse Tyson If I wanna see detail in a microscope, okay?

[1229s]Neil deGrasse Tyson And I can see, oh, there's the paramecium or the thing. And the reason why I can see it is I'm using visible light, which is a wavelength much smaller than the thing I'm looking at. Much smaller. So many wavelengths of light span the thing I'm looking at, so I can get detail commensurate with the wavelength of light I'm using. But now suppose I want to look at— suppose it has hairs on the side that are this thin. I'm not going to see it. 🟢 Verificado 7 fuentes

[1263s]Chuck Nice No, you can't. If my waves in the microscope are bigger than the thing that I'm observing.

[1269s]Neil deGrasse Tyson But do you know what has smaller wavelength than visible light?

[1274s]Neil deGrasse Tyson That's right, of course! Okay, so I make a scanning electron microscope that uses X-rays to image the object. And X-rays are way smaller wavelength, enabling you to see detail unimagined at the regular microscope scale. 🔴 Falso 5 fuentes

[1290s]Chuck Nice Because it's only hitting one part of the thing that you're observing.

[1294s]Neil deGrasse Tyson And then you can— And multiple wavelengths can flesh that out, and you can see things.

[1299s]Chuck Nice And then you put it all together and make a picture.

[1303s]Neil deGrasse Tyson So the highest resolution pictures use the smallest wavelengths. We are badass on this electromagnetic spectrum, and it is fundamentally with us in modern civilization. Opinión

[1312s]Chuck Nice Amazing, amazing.

[1313s]Neil deGrasse Tyson We cannot imagine civilization without it. Opinión

[1324s]Neil deGrasse Tyson Chuck blew a gasket.

[1329s]Neil deGrasse Tyson We need to end this right now.

[1336s]Neil deGrasse Tyson Tune back in next time when Chuck has calmed down to pick up the next explainer on StarTalk. Keep looking up.

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Conversación

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d Nuevo Mensajes: 5 Karma: 0 Desde 08/2026

#1 · 23/08/2026 20:00

Probando si este sistema funciona guay

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